Home / 22,147.80-33,221.70-7,357.20

Finding the Fourth Proportional to 22,147.80, 33,221.70 and 7,357.20

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Solution

The fourth proportional to 22,147.80, 33,221.70 and 7,357.20 is: 11,035.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,147.80 : 33,221.70 = 7,357.20 : x
  2. Step 2: Convert to fraction form
    22,147.80/33,221.70 = 7,357.20/x
  3. Step 3: Cross multiply
    22,147.80x = 33,221.70 × 7,357.20
  4. Step 4: Simplify right side
    22,147.80x = 244,418,691.24
  5. Step 5: Solve for x
    x = 244,418,691.24/22,147.80
  6. Step 6: Final answer
    x = 11,035.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.